Can the TDW-1 be installed in the TD-20 sound module?

Can you show me the pads that are compatible with the TD-series and other sound modules? (2005 Version which includes the TD-12 and VH-11)

Is there a table that compares TD-12 and TD-20 features?

What are the main feature differences between the TD-20 and the TD-12?

When I strike the center of the head, I sometimes hear the rim-shot sound also.

What are the suggested drum playing techniques and available functions for each TD-series sound module?

I have a TD-10 set and I’m thinking of replacing the TD-10 sound module with the TD-20. Can the TD-10 set’s pads and cymbals be used with the TD-20?

The VH-12 V-Hi-Hat connected to my TD-20 does not trigger properly. What do I need to adjust to fix this?

Can I use the FD-7 or FD-8 Hi-Hat Controller pedals with the TD-20?

Does System expansion board for the TD-20 exist now?